public void TestNegative() {
            var eval = new SentenceDetectorEvaluator(new DummySD(SentenceSampleTest.CreateGoldSample()));
            var stream = new CollectionObjectStream<SentenceSample>(
                new[] { SentenceSampleTest.CreatePredSample() });

            eval.Evaluate(stream);

            Assert.AreEqual(-1, eval.FMeasure.Value);
        }
        public void TestNegative()
        {
            var eval   = new SentenceDetectorEvaluator(new DummySd(SentenceSampleTest.CreateGoldSample()));
            var stream = new CollectionObjectStream <SentenceSample>(
                new[] { SentenceSampleTest.CreatePredSample() });

            eval.Evaluate(stream);

            Assert.AreEqual(-1, eval.FMeasure.Value);
        }